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Web API Service
To access a Web API service from the client, use the createStore method which is part of the DevExtreme.AspNet.Data extension. This extension also allows you to process data for DevExtreme UI components on the server. The server-side implementation is available under the DataGridWebApiController.cs tab in the ASP.NET MVC version of this demo.
To notify the DataGrid that data is processed on the server, set the remoteOperations property to true.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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<dx-data-grid [dataSource]="dataSource" [remoteOperations]="true" [height]="600" [showBorders]="true">
<dxo-filter-row [visible]="true"></dxo-filter-row>
<dxo-header-filter [visible]="true"></dxo-header-filter>
<dxo-group-panel [visible]="true"></dxo-group-panel>
<dxo-scrolling mode="virtual"></dxo-scrolling>
<dxo-editing mode="row" [allowAdding]="true" [allowUpdating]="true" [allowDeleting]="true">
</dxo-editing>
<dxo-grouping [autoExpandAll]="false"></dxo-grouping>
<dxo-master-detail [enabled]="true" template="detail"></dxo-master-detail>
<dxi-column dataField="CustomerID" caption="Customer">
<dxi-validation-rule type="stringLength" [max]="5"
message="The field Customer must be a string with a maximum length of 5."></dxi-validation-rule>
<dxo-lookup [dataSource]="customersData" valueExpr="Value" displayExpr="Text"></dxo-lookup>
</dxi-column>
<dxi-column dataField="OrderDate" dataType="date">
<dxi-validation-rule type="required" message="The OrderDate field is required."></dxi-validation-rule>
</dxi-column>
<dxi-column dataField="Freight">
<dxo-header-filter groupInterval="100"></dxo-header-filter>
<dxi-validation-rule type="range" [min]="0" [max]="2000"
message="The field Freight must be between 0 and 2000.">
</dxi-validation-rule>
</dxi-column>
<dxi-column dataField="ShipCountry">
<dxi-validation-rule type="stringLength" max="15"
message="The field ShipCountry must be a string with a maximum length of 15."></dxi-validation-rule>
</dxi-column>
<dxi-column dataField="ShipVia" caption="Shipping Company" dataType="number">
<dxo-lookup [dataSource]="shippersData" valueExpr="Value" displayExpr="Text"></dxo-lookup>
</dxi-column>
<div *dxTemplate="let order of 'detail'">
<detail-grid [key]="order.key"></detail-grid>
</div>
<dxo-summary>
<dxi-total-item column="Freight" summaryType="sum">
<dxo-value-format type="decimal" [precision]="2"></dxo-value-format>
</dxi-total-item>
<dxi-group-item column="Freight" summaryType="sum">
<dxo-value-format type="decimal" [precision]="2"></dxo-value-format>
</dxi-group-item>
<dxi-group-item summaryType="count">
</dxi-group-item>
</dxo-summary>
</dx-data-grid>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DetailGridComponent } from './detail-grid/detail-grid.component';
import { DxDataGridModule } from 'devextreme-angular';
import * as AspNetData from "devextreme-aspnet-data-nojquery";
if(!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
styleUrls: ['app/app.component.css'],
selector: 'demo-app',
templateUrl: 'app/app.component.html'
})
export class AppComponent {
customersData: any;
shippersData: any;
dataSource: any;
url: string;
masterDetailDataSource: any;
constructor() {
this.url = "https://js.devexpress.com/Demos/Mvc/api/DataGridWebApi";
this.dataSource = AspNetData.createStore({
key: "OrderID",
loadUrl: this.url + "/Orders",
insertUrl: this.url + "/InsertOrder",
updateUrl: this.url + "/UpdateOrder",
deleteUrl: this.url + "/DeleteOrder",
onBeforeSend: function(method, ajaxOptions) {
ajaxOptions.xhrFields = { withCredentials: true };
}
});
this.customersData = AspNetData.createStore({
key: "Value",
loadUrl: this.url + "/CustomersLookup",
onBeforeSend: function(method, ajaxOptions) {
ajaxOptions.xhrFields = { withCredentials: true };
}
});
this.shippersData = AspNetData.createStore({
key: "Value",
loadUrl: this.url + "/ShippersLookup",
onBeforeSend: function(method, ajaxOptions) {
ajaxOptions.xhrFields = { withCredentials: true };
}
});
}
}
@NgModule({
imports: [
BrowserModule,
DxDataGridModule
],
declarations: [AppComponent, DetailGridComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
'devextreme-aspnet-data-nojquery': {
"esModule": true
},
'devextreme/localization.js': {
"esModule": true
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib@2.1.0/tslib.js',
'rxjs': 'npm:rxjs@6.4.0',
'devextreme-aspnet-data-nojquery': 'npm:devextreme-aspnet-data-nojquery@2.7.1/index.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18',
'devextreme-angular': 'npm:devextreme-angular@20.2.5',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/hooks/dist/hooks.js'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
packageConfigPaths: [
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular/*/package.json",
"npm:devextreme-angular/ui/*/package.json",
"npm:devextreme-angular/package.json",
"npm:devexpress-diagram/package.json",
"npm:devexpress-gantt/package.json",
]
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import('app').catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>
<dx-data-grid [dataSource]="dataSource" [showBorders]="true">
</dx-data-grid>
import { Component, Input, AfterViewInit } from '@angular/core';
import DataSource from 'devextreme/data/data_source';
import * as AspNetData from "devextreme-aspnet-data-nojquery";
@Component({
selector: 'detail-grid',
templateUrl: 'app/detail-grid/detail-grid.component.html',
styleUrls: ['app/detail-grid/detail-grid.component.css'],
providers: []
})
export class DetailGridComponent implements AfterViewInit {
@Input() key: number;
dataSource: DataSource
ngAfterViewInit() {
this.dataSource = new DataSource({
store: AspNetData.createStore({
loadUrl: "https://js.devexpress.com/Demos/Mvc/api/DataGridWebApi/OrderDetails",
loadParams: { orderID: this.key },
onBeforeSend: function (method, ajaxOptions) {
ajaxOptions.xhrFields = { withCredentials: true };
}
})
})
}
}